Conversation

thinking about how computers simply love to gaslight 🤔 i use G Suite and my emails end up in spam for some people and i have no idea how to fix this other than getting a dedicated IP and someone mentioned that twitter never shows them notifications for my interactions
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Make sure you have Google's DKIM keys set up properly, hard fail SPF and p=reject DMARC. Ideally, the PTR records for the IP addresses used to send mail match the mail server domain and I guess there's not much you can do about that when using G Suite.
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The only issue I've run into hosting my own mail server is that the initial IPv4 address is often blacklisted from previous abuse. I currently have Postfix set to send mail only via IPv4 despite having fully working IPv6 because OVH only gives me /128 instead of a /64 block.
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Send an email to check-auth@verifier.port25.com and it will send you back a mail with the results of checking DKIM, SPF and a reverse IP check. I would hope that Google has appropriate PTR records for their mail sending IP addresses. No way for you to fix that if they don't.
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